33140344379 has 2 divisors, whose sum is σ = 33140344380. Its totient is φ = 33140344378.

The previous prime is 33140344373. The next prime is 33140344381. The reversal of 33140344379 is 97344304133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33140344379 is a prime.

Together with 33140344381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33140344373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16570172189 + 16570172190.

It is an arithmetic number, because the mean of its divisors is an integer number (16570172190).

Almost surely, 2^33140344379 is an apocalyptic number.

33140344379 is a deficient number, since it is larger than the sum of its proper divisors (1).

33140344379 is an equidigital number, since it uses as much as digits as its factorization.

33140344379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 33140344379 in words is "thirty-three billion, one hundred forty million, three hundred forty-four thousand, three hundred seventy-nine".